SEC FORM 4

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

KIM SUSAN Y

(Last)

(First)

(Middle)

C/O SIANA CARR O'CONNOR & LYNAM,

1500 EAST LANCASTER AVENUE,

(Street)

PAOLI

19301-9713

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
AMKOR TECHNOLOGY, INC. [ AMKR ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	X	10% Owner
	Officer (give title below)	X	Other (specify below)
			Member of 10% owner group (7)

3. Date of Earliest Transaction (Month/Day/Year)
05/16/2023

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Rule 10b5-1(c) Transaction Indication

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/16/2023		M		8,809⁽¹⁾	A	$0.00⁽¹⁾	6,982,423⁽¹⁾	D
Common Stock								1,867,747⁽²⁾⁽³⁾⁽⁴⁾	I	By James J. Kim 2021 GRAT dtd. 12/15/21
Common Stock								2,660,840⁽²⁾⁽³⁾⁽⁴⁾	I	By Agnes C. Kim 2020-1 GRAT dtd. 12/16/20
Common Stock								753,232⁽²⁾⁽³⁾⁽⁴⁾	I	By John T. Kim 2018 GRAT dtd. 2/6/18
Common Stock								1,117,623⁽²⁾⁽³⁾⁽⁴⁾	I	By James J. Kim 2020-1 GRAT dtd. 4/1/20
Common Stock								7,261,498⁽²⁾⁽³⁾⁽⁴⁾	I	By trusts (excl. GRATs)
Common Stock								3,678,298⁽²⁾⁽³⁾⁽⁴⁾	I	By own GRATs
Common Stock								19,484,809⁽²⁾⁽³⁾⁽⁴⁾	I	By Sujochil, LP
Common Stock								2,478,325⁽²⁾⁽³⁾⁽⁴⁾⁽⁵⁾	I	By Sujoda Investments, LP
Common Stock								8,200,000⁽²⁾⁽³⁾⁽⁴⁾	I	By LLCs treated as corporations
Common Stock								3,278,001⁽²⁾⁽³⁾⁽⁴⁾	I	By Agnes C. Kim 2023 GRAT dtd. 4/26/23
Common Stock								5,117,004⁽²⁾⁽³⁾⁽⁴⁾	I	By James J. Kim 2023 GRAT dtd. 4/26/23

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	05/16/2023		M			8,809.4075⁽¹⁾	⁽¹⁾	⁽¹⁾	Common Stock	8,809.4075⁽¹⁾	$0.00	0	D
Restricted Stock Units	⁽⁶⁾	05/16/2023		A		8,478		⁽⁶⁾	⁽⁶⁾	Common Stock	8,478	$0.00	8,478	D

Explanation of Responses:

1. On May 17, 2022, the Reporting Person was granted 8,706 time-vested restricted stock units ("RSUs") pursuant to the Amkor Technology, Inc. (the "Issuer") 2021 Equity Incentive Plan, as amended (the "Plan"), and the applicable award agreement (the "2022 RSUs"). In connection with the vesting of the 2022 RSUs on May 16, 2023: (i) 0.4075 of the 2022 RSUs, which had accrued as dividend equivalent units ("DEUs") with each DEU representing an additional RSU subject to the same provisions as the RSU with respect to which the DEU was accrued, were settled in cash; and (ii) the remainder of the 2022 RSUs, including 103 DEUs, converted into common stock of the Issuer on a one-for-one basis.

2. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of the Reporting Person's pecuniary interest therein, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such securities, except to the extent of the Reporting Person's pecuniary interest therein, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended ("Section 16"), or for any other purpose.

3. The Reporting Person is (i) a trustee of trusts for the benefit of her immediate family members (other than grantor retained annuity trusts ("GRATs")) which own 7,261,498 shares of the Issuer's common stock, (ii) a trustee of GRATs for the benefit of members of her immediate family which own 14,794,447 shares of the Issuer's common stock, (iii) a trustee of GRATs of which the Reporting Person was the settlor and is the sole annuitant which own 3,678,298 shares of the Issuer's common stock, (iv) a general partner of a limited partnership (Sujochil, LP) which owns 19,484,809 shares of the Issuer's common stock,

4. (Continued from Footnote 3) (v) a manager of limited liability companies being treated as corporations for purposes of Section 16, which own 8,200,000 shares of the Issuer's common stock and (vi) as referenced in Footnote 5, a member of Sujoda Management, LLC, which indirectly owns 2,478,325 shares of the Issuer's common stock. Pursuant to Form 4 instructions, the Reporting Person is being treated as having a pecuniary interest in all of such shares.

5. The sole general partner of Sujoda Investments, LP is Sujoda Management, LLC. The Reporting Person is one of three members of Sujoda Management, LLC. Sujoda Management, LLC is being treated as a limited partnership for purposes of Section 16, and, pursuant to the Form 4 instructions, the Reporting Person has elected to treat all of the shares of the Issuer's common stock owned by Sujoda Investments, LP as beneficially owned by the Reporting Person.

6. Represents shares of common stock underlying RSUs granted on May 16, 2023 (the "Grant Date") pursuant to the Plan (the "2023 RSUs"). Subject to the terms and conditions of the applicable award agreement, the 2023 RSUs may be converted into common stock of the Issuer on a one-for-one basis and will vest in full on the earlier of the first anniversary of the Grant Date or the date of the Issuer's first annual meeting of stockholders immediately following the Grant Date. The 2023 RSUs were awarded for no consideration other than the Reporting Person's service as a director of the Issuer.

Remarks:

Remarks: (7) The Reporting Person states that the filing of this Form 4 shall not be deemed an admission that the Reporting Person is the beneficial owner of the reported securities owned by the other members of the group, for the purpose of Section 16, or for any other purpose.

	Mark N. Rogers, Attorney-in-Fact for Susan Y. Kim	05/18/2023
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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